a{text-decoration: none; color: #eee; display: block;}
.button{width: 200px; height: 50px; border-radius: 20px; text-align:center;line-height: 50px;}
.callout_button{background:#FF5B5B;margin:0 auto; }
.callout_button:hover{background: red;}
.close_button{background:#363636;margin:0 auto;}
.close_button:hover{background: black;}
.mask{width: 100%;height: 100%;background:#000;position: absolute;top: 0px;left:0px;opacity: 0.4;z-index: 8000; display: none;-moz-user-select: none; -webkit-user-select: none;}
.dialog{width: 380px;background:black; opacity: 0.9; position: absolute;z-index: 9000;padding-bottom: 10px; display: none;-moz-user-select: none; -webkit-user-select: none;}
.dialog_head{width: 100%;height:50px;background:#4B4B4B;text-align: center;line-height: 50px;color: #eee; cursor: move;}
.dialog_content{width: 100%;height:300px;}